Magnifier



FIG. 1 is a top plan view of a magnifier;

FIG. 2 is a bottom plan view of the magnifier of FIG. 1;

FIG. 3 is a right side plan view of the magnifier of FIG. 1, the left side plan view being a mirror image thereof; and,

FIG. 4 is a top perspective view of the magnifier of FIG. 1.

The broken lines illustrate portions of the magnifier that form no part of the claimed design. 

CLAIM I claim the ornamental design for a magnifier, as shown and described. 